The number of different species living in a given area describes a habitat. a population. species diversity. genetic diversity.

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

In which case would a scientist choose to use a dissecting microscope rather than a compound microscope

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.